115188864408 has 96 divisors (see below), whose sum is σ = 326646159840. Its totient is φ = 36601382400.

The previous prime is 115188864397. The next prime is 115188864421. The reversal of 115188864408 is 804468881511.

115188864408 is a `hidden beast` number, since 1 + 1 + 518 + 8 + 86 + 4 + 40 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 366508 + ... + 603908.

It is an arithmetic number, because the mean of its divisors is an integer number (3402564165).

Almost surely, 2^115188864408 is an apocalyptic number.

115188864408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115188864408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163323079920).

115188864408 is an abundant number, since it is smaller than the sum of its proper divisors (211457295432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115188864408 is a wasteful number, since it uses less digits than its factorization.

115188864408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237729 (or 237722 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 54.

The spelling of 115188864408 in words is "one hundred fifteen billion, one hundred eighty-eight million, eight hundred sixty-four thousand, four hundred eight".